(19)

(11)

EP 1 792 084 A2

(12)

(88) Date of publication A3: 10.08.2006 (43) Date of publication: 06.06.2007 Bulletin 2007/23 (21) Application number: 05856877.5 (22) Date of filing: 13.07.2005

(51) International Patent Classification (IPC):  F04C 23/00(2006.01) (86) International application number: PCT/US2005/025178 (87) International publication number: WO 2006/068664 (29.06.2006 Gazette 2006/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 13.07.2004 US 587692 P (71) Applicant: Tiax LLC Cambridge, MA 02140-2390 (US)	(72) Inventors: DIECKMANN, John, T. Belmont, Massachusetts 02478 (US) WESTPHALEN, Detlef Roslindale, Massachusetts 02131 (US) (74) Representative: Grey, Ian Michael et al Venner Shipley LLP 20 Little Britain London EC1A 7DH London EC1A 7DH (GB)